Create module httpclient5-compress to use Apache Commons Compress

Create module httpclient5-compress to use Apache Commons Compress.

Allow users to benefit from the support of various algorithms supported through the API of Apache Commons Compress.

Apache Commons Compress 1.14 will support Brotli when released.

HttpClient should be recoded to find codec implementaions based on a Java ServiceLoader. Then, httpclient5-compress can add to that registry if it is on the classpath, the user will not have to do anything extra.